Home / 63,804.89-95,686.92-21,102.38

Finding the Fourth Proportional to 63,804.89, 95,686.92 and 21,102.38

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Solution

The fourth proportional to 63,804.89, 95,686.92 and 21,102.38 is: 31,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,804.89 : 95,686.92 = 21,102.38 : x
  2. Step 2: Convert to fraction form
    63,804.89/95,686.92 = 21,102.38/x
  3. Step 3: Cross multiply
    63,804.89x = 95,686.92 × 21,102.38
  4. Step 4: Simplify right side
    63,804.89x = 2,019,221,746.87
  5. Step 5: Solve for x
    x = 2,019,221,746.87/63,804.89
  6. Step 6: Final answer
    x = 31,646.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.